CH252536A - Verfahren zur Erzeugung eines Weisseffektes auf Papier. - Google Patents

Verfahren zur Erzeugung eines Weisseffektes auf Papier.

Info

Publication number
CH252536A
CH252536A CH252536DA CH252536A CH 252536 A CH252536 A CH 252536A CH 252536D A CH252536D A CH 252536DA CH 252536 A CH252536 A CH 252536A
Authority
CH
Switzerland
Prior art keywords
creating
paper
white effect
white
effect
Prior art date
Application number
Other languages
English (en)
Inventor
Lever Brothers & Unilever Limited
Original Assignee
Lever Brothers & Unilever Limi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB913545A external-priority patent/GB595281A/en
Application filed by Lever Brothers & Unilever Limi filed Critical Lever Brothers & Unilever Limi
Publication of CH252536A publication Critical patent/CH252536A/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/916—Fraud or tamper detecting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/916—Natural fiber dyeing
    • Y10S8/918—Cellulose textile
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/916—Natural fiber dyeing
    • Y10S8/919—Paper
CH252536D 1945-04-12 1946-04-03 Verfahren zur Erzeugung eines Weisseffektes auf Papier. CH252536A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB913545A GB595281A (en) 1945-04-12 Improvements in the treatment of paper

Publications (1)

Publication Number Publication Date
CH252536A true CH252536A (de) 1948-01-15

Family

ID=9866042

Family Applications (1)

Application Number Title Priority Date Filing Date
CH252536D CH252536A (de) 1945-04-12 1946-04-03 Verfahren zur Erzeugung eines Weisseffektes auf Papier.

Country Status (4)

Country Link
US (1) US2528324A (de)
BE (1) BE464496A (de)
CH (1) CH252536A (de)
FR (1) FR925642A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723288A (en) * 1955-11-08 Fluorescent agents
US2710285A (en) * 1951-08-11 1955-06-07 Davics Young Soap Company Paper coating composition containing an optical brightener
US2876130A (en) * 1955-12-21 1959-03-03 Palco Chemical Company Process for brightening suede
US3041200A (en) * 1958-08-28 1962-06-26 Champion Papers Inc Paper and process for manufacture

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2089413A (en) * 1937-08-10 Production of novel effects on
GB442530A (en) * 1934-08-08 1936-02-10 Ici Ltd Improvements in the preparation of safety paper

Also Published As

Publication number Publication date
BE464496A (de)
US2528324A (en) 1950-10-31
FR925642A (fr) 1947-09-09

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